Also there was some reading I did on nasioc of someone saying any lsd made for a 5spd Subaru would work is there validity to that statement?

not all 5mt's are the same. older 5mt's have axles stubs as part of the front diff while newer ones dont. if you get a diff meant for older boxes that have the stubs built in, you will need custom front axles to make it work. -not worth the hassle.

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4-Time NNJR ESP Season Champion -15 ESP
3rd Place in 09' Pax Championship/Driver of the Year
2012 Northeast Divisional Champion in ESP